This volume clarifies in a logical and didactic manner the sequence of events that characterize the human menstrual cycle. Each major organ involved in the cycle, the brain, the pituitary gland, the ovary, and the uterus is discussed and its contribution specifically outlined. The chapters trace the physiologic events within each of these organs, describe the hormones by which they communicate, and outline how critical aspects of the cycle are synchronized so that an ovulatory cycle can occur. Thus neuroendocrine control of the menstrual cycle is examined in detail, and the processes of follicular development, maturation, ovulation, and maintenance of the corpus luteum are thoroughly covered. The book then turns to pathophysiology and examines the conditions under which the menstrual cycle may become abnormal. Pathophysiological mechanisms that cause cycle disturbance, anovulation, and infertility are reviewed, as are clinical presentations of common menstrual disorders and their treatment. Progress in reproductive biology has been rapid, and the research spans several disciplines. In this volume information dispersed in many publications has been synthesized and concisely presented, providing an in-depth understanding of the processes that control reproductive function in the female.
This revelatory study of Georges Seurat (1859–1891) explores the artist’s profound interest in theories of visual perception and analyzes how they influenced his celebrated seascape, urban, and suburban scenes. While Seurat is known for his innovative use of color theory to develop his pointillist technique, this book is the first to underscore the centrality of diverse ideas about vision to his seascapes, figural paintings, and drawings. Michelle Foa highlights the importance of the scientist Hermann von Helmholtz, whose work on the physiology of vision directly shaped the artist’s approach. Foa contends that Seurat’s body of work constitutes a far-reaching investigation into various modes of visual engagement with the world and into the different states of mind that visual experiences can produce. Foa’s analysis also brings to light Seurat’s sustained exploration of long-standing and new forms of illusionism in art. Beautifully illustrated with more than 140 paintings and drawings, this book serves as an essential reference on Seurat.
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